BIOS Updates forum

I extracted the file and it seems to be for both models 6591 ansd 6561. Now what should I do to use this? I tried to copy the files to a diskette with start files on it, it shows the IBM logo when booting from it and says it's not a flash diskette and that I have to restart the computer. Afterwards ...

Thanks Kuriaki. However, there seems to be something wrong. My modelnumber is 6561 the bios seems to be for a 6591. The filename fits though with what i already downloaded. How can I go about and use it? Or should I use it at all (being for a 6591 in fact?).

Hi there. I've got an old IBM PC 300-GL model 6561-350. The current processor is a PII 266 which I want to upgrade to a PII 350. In the current bios I can change the processor speed up to 333 so I would like to update the bios. I've been able to find the right bios update (I think/hope) which is cal...